In a packing plant, a machine packs cartons with jars. It issupposed that a new machine will pack faster on the average thanthe machine currently used. To test that hypothesis, the times ittakes each machine to pack 10 cartons are recorded. It is giventhat the mean time for the new machine is 42.14 seconds with astandard deviation of 0.683 seconds. The mean time for the oldmachine is 43.23 seconds with a standard deviation of 0.750seconds.
What are the observational units?
What is the variable being measured?
Is the variable categorical or quantitative?
Which scenario would you use to analyze these data? Select one:a. Two proportion b. One means (matched pairs) c. One means d. Oneproportion e. Two mean
You may not use a theory-based test on these data since thevalidity requirements are not met. Select one: True False
